:root{--ink: #fdfbf7;--ink-soft: rgba(253, 251, 247, .72);--gold: #f3e3c3;--glass: rgba(255, 255, 255, .1);--glass-strong: rgba(255, 255, 255, .16);--line: rgba(255, 255, 255, .28);--serif-en: "Cormorant Garamond", "Times New Roman", serif;--serif-ja: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;--safe-b: env(safe-area-inset-bottom, 0px)}body[data-mood=dusk]{--gold: #ffe0d6}body[data-mood=night]{--gold: #d9e4ff}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#0b3d5c;color:var(--ink);font-family:var(--serif-ja);-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}#scene{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}#veil{position:fixed;inset:0;pointer-events:none;background:#04121f;transition:opacity 2.4s ease}body.ready #veil{opacity:0}#brand{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-bottom:8vh;pointer-events:none;text-align:center;text-shadow:0 2px 30px rgba(0,30,60,.45);opacity:0;transform:translateY(10px) scale(.98);filter:blur(6px);transition:opacity 1.8s ease,transform 3.2s ease,filter 1.8s ease}body.title-in #brand{opacity:1;transform:none;filter:none}body.title-out #brand{opacity:0;transform:translateY(-14px);filter:blur(4px);transition-duration:2s,2.4s,2s}#brand h1{margin:0;font-family:var(--serif-en);font-style:italic;font-weight:400;font-size:clamp(52px,11vw,104px);letter-spacing:.04em;line-height:1;color:var(--ink)}#brand p{margin:18px 0 0;font-size:clamp(13px,2.2vw,17px);letter-spacing:.4em;color:var(--ink-soft)}#brand .line{width:64px;height:1px;margin:22px auto 0;background:linear-gradient(90deg,transparent,var(--gold),transparent)}#hint,#toast{position:fixed;left:50%;transform:translate(-50%,8px);margin:0;padding:10px 20px;border-radius:22px;background:#0a1e3247;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.18);font-size:13px;letter-spacing:.14em;line-height:1.6;text-align:center;width:max-content;max-width:calc(100vw - 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